hetzner_power_off_server · Hetzner MCP Server MCP

WHAT IT DOES

What hetzner_power_off_server does on Hetzner MCP Server

AI agents invoke hetzner_power_off_server to trigger actions in Hetzner MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why hetzner_power_off_server needs a policy

This tool executes a command that immediately halts a server's operation without graceful shutdown. While not destructive (data persists), it is an Execute-class tool because it triggers an external system action whose consequences depend on the arguments provided (server ID).

From the tool's definition Tool description states 'Power off a server (hard shutdown)' and explicitly compares it to 'pulling the power cord', indicating it triggers an external operation (server shutdown) whose effects depend on which server is targeted via arguments.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

hetzner_power_off_server Rate-limited

hetzner_power_off_server stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "hetzner_power_off_server": {
      "limits": [
        {
          "counter": "hetzner_power_off_server_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Hetzner MCP Server, so you can run agents against it safely.

FAQ

Questions about hetzner_power_off_server

What does the hetzner_power_off_server tool do? +

Power off a server (hard shutdown). This is like pulling the power cord. For a graceful shutdown, SSH into the server and run. It is categorised as a Execute tool in the Hetzner MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on hetzner_power_off_server? +

Register the Hetzner MCP Server MCP server in PolicyLayer and add a rule for hetzner_power_off_server: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Hetzner MCP Server. Nothing to install.

What risk level is hetzner_power_off_server? +

hetzner_power_off_server is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit hetzner_power_off_server? +

Yes. Add a rate_limit block to the hetzner_power_off_server rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block hetzner_power_off_server completely? +

Set action: deny in the PolicyLayer policy for hetzner_power_off_server. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides hetzner_power_off_server? +

hetzner_power_off_server is provided by the Hetzner MCP Server MCP server (jurislm/hetzner-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.